stage 6 paddle fin

have any of you out ther tried the Greenough stage 6 paddle fin?If so, care to share your impressions/feedback? I have tried a 9" and the 9.75" fins, but want to hear from others before I give my thoughts on it.Thanks…

i have only ridden with it once on my 9’6" traditional longboard in sloppy surf – i will let you know what i think once ridden it in better conditions